In this video, the channel—which sources its research from astrophysicists and the like—goes over the sizes of different black holes in the universe. As with other cosmological size comparisons, ...

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into ...

Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

Kurzgesagt’s latest In a Nutshell video takes us once more to the depths of space to look at the scary phenomena that are black holes. Rather than go into topics like dark matter and how black holes ...

The universe's expansion means its size is bigger than its age suggests. The universe's expansion doesn't have a speed limit like objects within it. Distant galaxies move away from us as space itself ...

While it’s difficult to say for sure who the fastest superhero is—there are plenty of challengers to The Flash—determining the fastest IRL humans, or the fastest anything else for that matter, is ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...